Patent US2693793A successfully refreshed from Google Patents.
US2693793A
Expired / Lapsed
US
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Pressure cooker
Assignee: Individual
•
Filing: 1951-08-06
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Granted: 1954-11-09
•
Expires: 1971-08-06
Abstract
No abstract record available.
Inventors
- 👤 Ray L Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/24; A47J36/28; A47J27/00; A47J27/08; A47J27/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR407332A
Cited
US14340A
Cited
US818092A
Cited
GB190805824A
Cited
US1164845A
Cited
DE329082C
Cited
FR747004A
Cited
US1971364A
Cited
GB452542A
Cited
US2202320A
Cited
US2300793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |